L23 cpckt ac

4
Coupled Circuits

description

 

Transcript of L23 cpckt ac

Page 1: L23 cpckt ac

Coupled Circuits

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ELE101/102 Dept of E&E,MIT Manipal 2

Analysis of coupled circuit

Ø1

ML1L1 L2

L2v1v1

R1 R2

v2v2

i1

i2

Ø2

v1v1 v2

v2i2

M

L1

-

i1 L2

R1 R2

Equivalent circuit:

21222

12111 ;

vMIjILjR

vMIjILjR

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ELE101/102 Dept of E&E,MIT Manipal 3

Conductively coupled equivalent circuit

222212

121111 ;

gRearrangin

vIMLjRIIMj

vIIMjIMLjR

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ELE101/102 Dept of E&E,MIT Manipal 4

Example:

10/0oV10/0oV

10Ω5Ω

j2Ω

j3Ω j4Ω

-j2Ω

Draw the conductively coupled equivalent circuit of the magnetic circuit shown. Hence, find the current supplied by the source.